{
  "manageEntity": {
    "action": "Update",
    "entityId": "283342965",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x792717f17ffe419b3c38b1bf864fff1c3d465df984d32c93a53ff74cf28cdebb",
    "signature": "0xcaa2ea99b61790318d4d51c976a8d9bc3ff36a091b88fd9b737fec6c3b0454930cb8e5c248016e1199c296dc2ac6362b5e14e2de6513f6c6f9d0cf67a62ca3121c",
    "signer": "0xa994b8dF5782f9A03370955CD9107820F30cD6Ca",
    "userId": "283342965"
  }
}