{
  "manageEntity": {
    "action": "Update",
    "entityId": "166928161",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4f25khxcdcixd3vcgkufzepc6q55hdnhb72kyvw2sf5s2nwkhl7a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1474312660},{\"type\":\"playlist\",\"playlist_id\":1486324560}]}}}",
    "nonce": "0x695ce16fa27d7bd985e2d38abf42fa8d2f62f861f1d704e0fc649c7fdbc1add1",
    "signature": "0xc404f88712e0c9be727384d2cecab0ce1566d9544de8c3fde18fc2662794bde866f5320a56915efc9cb9641c044186b898be60bc07be96a07bd1ff7063cd1b531b",
    "signer": "0x344DeA83CfFe07228Fe67a6bc98c2Cfd2441612B",
    "userId": "166928161"
  }
}