{
  "manageEntity": {
    "action": "Update",
    "entityId": "593392725",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf8a665ced21289010df3d419a7da1fc2eed3273a90ee5b5977308e916e777d99",
    "signature": "0x5cc013fd0506e6d9c23c3ab3243023ddce0b0bfa0a091dc15a84ac42ae9bc30802e52c2f9d6c592a591444b619ee7c3e571054b5e24111694487f862c0e2b2711b",
    "signer": "0xcED3bB41dC25f9Ee71c86D77eF68b745550f8C9B",
    "userId": "593392725"
  }
}