{
  "manageEntity": {
    "action": "Update",
    "entityId": "238327041",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawyzffie66w2377h4tgipouani4dm25q67oi36fncu3p4bjis5ocq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":795727028}]}}}",
    "nonce": "0x285f5d07a2713b659d58411b198cacc90abd17bff44c9c4cf5d1b8bb0325db06",
    "signature": "0x4de3d79e99241a2b6a6e9b8d9d20e0bfbe62f243736ec1b29e4a818cda07aa5b3e8e500da84111b4f7617ee610adbd9030719a2e03d54a422e5ebfe3cbc322df1b",
    "signer": "0x9a7C79A8F5E088eF6f036a0c25618325AD8bC26a",
    "userId": "238327041"
  }
}