{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855933035",
    "entityType": "User",
    "nonce": "0x0d5251a990263fe5ad314b9d9255cb622e05be5800a2d514808d69841c6fa4ef",
    "signature": "0x4ed229091972f64cb25833121eebd01b319e14a7e68724da4c7390340b23924b5765fd3fcbd195c909b00fed2575ea2c6d4432704b2e2f37034564a88fb697d21b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}