{
  "manageEntity": {
    "action": "Update",
    "entityId": "832018853",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierabbckfrua6g5cr3chxxrryu5hjbq25okz2ndi4cauvp5mlro77z7q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1333634352}]}}}",
    "nonce": "0x98eb7546dd3a23f1073435d16ea038110139342f18924b12fc9cee95f92dcfd1",
    "signature": "0xa102143c56f7da81abdde037146c74854950999c437a539957d3950ab8d1503f50bc38037e4e9ec695324a374e6915819d59f6f83668958c9916ddf4d630c4af1b",
    "signer": "0x14E9E2DE68f02AA0cD2B7566Dd9B7A0993b2D124",
    "userId": "832018853"
  }
}