{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964966160",
    "entityType": "User",
    "nonce": "0x27236f9f6801689b23af84f389f344d20997dc9ee26a6454134628a8ce966018",
    "signature": "0x4e48e43c1ef83e5b650707355dbf56183f268fde5dbe26e06c20f414ddea614d295ddec161b7874b127755c909979fd53a90637da17ed13d93c1ef6f72d8e3631c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}