{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x925a90ca269a261aa9a29c40934c009deec64955328ea0b58ec2b80aec1faf35",
    "signature": "0x38947f41c477a86b503fb37cd043486ec6251ee6144dca8aeafadf0ed9a98d2961e757ff05064bcbd70a947eb3e886b1998d86616bcb46e4b3713bba507601951b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}