relationshipData

{ id: 2921,
  typeId: 10,
  sourceBbid: 'a3f7fbed-49c3-4279-928b-99fde9a5689f',
  targetBbid: '0cf5bbae-29aa-48af-85c4-d5287dcbd94d',
  source:
   { bbid: 'a3f7fbed-49c3-4279-928b-99fde9a5689f',
     dataId: 2036,
     revisionId: 10046,
     master: true,
     annotationId: null,
     disambiguationId: null,
     defaultAliasId: 8736,
     publicationBbid: '68090b4b-9d24-4da8-87c1-ea0c19f67dc7',
     creatorCreditId: null,
     width: null,
     height: null,
     depth: null,
     weight: null,
     pages: null,
     formatId: null,
     statusId: null,
     aliasSetId: 7684,
     identifierSetId: null,
     relationshipSetId: 4008,
     type: 'Edition',
     languageSetId: null,
     releaseEventSetId: null,
     publisherSetId: 1307,
     defaultAlias: [Object] },
  target:
   { bbid: '0cf5bbae-29aa-48af-85c4-d5287dcbd94d',
     dataId: 3320,
     revisionId: 10044,
     master: true,
     annotationId: null,
     disambiguationId: 508,
     defaultAliasId: 8737,
     typeId: 4,
     aliasSetId: 7685,
     identifierSetId: null,
     relationshipSetId: 4002,
     type: 'Work',
     languageSetId: 4269,
     defaultAlias: [Object] },
  type:
   { id: 10,
     label: 'Contains',
     description:
      'Represents the relationship between an edition, and a work which is contained in that edition.',
     linkPhrase: 'contains',
     sourceEntityType: 'Edition',
     targetEntityType: 'Work',
     parentId: null,
     childOrder: 0,
     deprecated: false,
     reverseLinkPhrase: 'is contained in' },
  _pivot_set_id: 4008,
  _pivot_relationship_id: 2921
  }]