{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1264427",
    "entityType": "User",
    "nonce": "0x2c466c24573a619b28215a5847ecb5a51c4ffa7d12c56082ce4bd4bb2635e961",
    "signature": "0x2a1d375cca99142a72613aa3c25f7ad973496cb5d1ed3a81798966141fde78db53ab7408a45d5a4f9f87dc3bafb0d6ec3706c23a9182d69b38b06c9e800254081b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}