{
  "manageEntity": {
    "action": "Update",
    "entityId": "557135181",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraivymucgqqxd7fhk6n4jvclnc35iwki4hvsba6nhmfqf4n4vkud5a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":533815830},{\"type\":\"playlist\",\"playlist_id\":1088676470},{\"type\":\"playlist\",\"playlist_id\":1219210338},{\"type\":\"playlist\",\"playlist_id\":147244417},{\"type\":\"playlist\",\"playlist_id\":1341039901},{\"type\":\"playlist\",\"playlist_id\":596330015},{\"type\":\"playlist\",\"playlist_id\":1458888796},{\"type\":\"playlist\",\"playlist_id\":1005781711}]}}}",
    "nonce": "0x0ed2dc2ee91967b0797e26bbd09fb8476d5164e625a30188ccecb021b9a069bb",
    "signature": "0x1252c0ff0b0a1f0462d610ba3334d43e563c49073ae21e3ab94feb2a1468b65b2e6a326a2c0d2e1afb4fe1edea8141ff8db2798d53aab3d1fa0a1376a0884f1a1c",
    "signer": "0xBBBE9eFc177a4E708d317195Fa81aA6E8E2F7E92",
    "userId": "557135181"
  }
}