{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360621402",
    "entityType": "User",
    "nonce": "0xabe530e744b8c254c00c01d593507867094d10dd634844858fa89de92a0a5ded",
    "signature": "0x105a5a746a125bd98f74f0392efcec88d5c1ca25d97176597eeac5a088b11dad038933896707076a3805f2e2721438af6214d718cdc04d2087b8389f1a60848d1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}