{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82443",
    "entityType": "User",
    "nonce": "0x51d2c3b2e3c01aaee4e129e556959eb580e486ec781ecfde5cc95dc5b0f7a38e",
    "signature": "0x2e904fa7ee93faa1e9a1909eafafe24a7bf8b4329f7c8be4bbf4d51314dc2cbf612ed5a2dd58ddbe645095b4d8a7a117c0a6ab4bf1c770f16acfd5f54a10f77b1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}