{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe7c35e23d57e8e808e4eb79ee5bfcfb8d10d9aaff34884ef50c8d79e59beaac7",
    "signature": "0x5d4ec8465e23c1a944b3249b44a970ad58f52afbd9052a05594a7cc5672a11f13bee28fc630ecc784e82fcf489e67bbdafa179a9f2b3c6d80303c78e836ff0d91b",
    "signer": "0xb4069BdA5a7607EE958950229A03ff89Daa817d8",
    "userId": "611142471"
  }
}