{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322599",
    "entityType": "User",
    "nonce": "0x5daf99a83c4834e0011678cb444acb43ddfb8e8625b4e9ef25a4c56dd0719093",
    "signature": "0x06f37ddcdcc43ac5de3f63cbd5535efb6112e8dba42430cafe1c5af8dabf88217dda059cecfd78068caf2f2beb42fc1b9fd6e6716d017b16aa8efc17561efb901b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}