{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370796980",
    "entityType": "User",
    "nonce": "0x8d37cddef020685cfe93fd5542718c8af8fab006fbbb8ec92d02821540192390",
    "signature": "0x26287449cdbf69212957e441d67b6ff978c30996b9cd32aff531955e7315f2215e543a556919b37a9d79954ec54f0cd372bd2879d7d8ada21a688e67f80e433e1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}