{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0xa36e3bc52e9701a7476de3eba1739e062b31ae44d9121ab3a8b43f23ceb09a9e",
    "signature": "0x0177e2585489ecf6af3fbbdaa6cb3170abd0738f690c3a4d2a9f6c91cb82b1c2763044ed8475757d475982815d680667898a447a8f9af30649f16f1a3be53b821b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}