{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x735dfe8a03cfe1037789840be7483bc439c5e53abe3aec0fb4f5e363a18a0cb8",
    "signature": "0x038d06da9fd72bfc7d0596dc65511688ece08caf2daca6eb4b1494d6d2bf50f577b7378cd34a437b8f3bf67bbe327a852b37bc1d52880605ff2c244b01b6dc421c",
    "signer": "0xa94e4C47a5C11B5C0b4EC90e5166c3AF602dA094",
    "userId": "458060869"
  }
}