{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x7e8c98df08054bf395e48a36ab68014a848b2b74f1cc8bf37c4faa2e3eae87b2",
    "signature": "0x3b2264ff88f9f18ef3b66d4f9b3070fb6d7853a23675e59cd719685b08e00ab821db5c1f8c33764c08a4238ec4dcf98202ee70243bfaf9b4f986f4681448532c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}