{
  "manageEntity": {
    "action": "Update",
    "entityId": "923832322",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x27fde1e8885fda2ba8b02208b453073c87530a6347b5bc4a50df0694dc6c62d3",
    "signature": "0x4f902ff456400337c6b4247181b177e96c40a3bf49f3ce640e1337988f1bb531782607ce458a45024eb3e9279983452cc56b80b726aece5e7c1fc0485e2b78941b",
    "signer": "0xAbc5125eb4F7160CA202e3299acD7162D01f707E",
    "userId": "923832322"
  }
}