{
  "manageEntity": {
    "action": "Update",
    "entityId": "364704444",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5a96e144b91680adef083acfa9300fd6f433670e8bca676fd29da8b3c3caf2a1",
    "signature": "0xc7e35f0d90d8664c978a5bdc1007a713a442b60a4550b25067d05e249e065b8e20949bc19908b78b1269550d8356b968cda14d1f2a920377aa1cc3f288fea98f1b",
    "signer": "0x46195Fb29747D83Bc1A0bff3aAfE602F0f74785e",
    "userId": "364704444"
  }
}