{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240440",
    "entityType": "User",
    "nonce": "0xeced98898b8aa0f8f9e03d4fac54dd481f690e1a6337e30d385c5790ee49d7ce",
    "signature": "0x6bc1b92fc33ff53ae20fa78bdc7fdfc94efc7a55d537a3f21ad83dafac308503182494e64d05df0601e47c417bcf60123a30e1d90e7ab1d23a92a8cff42ecf321c",
    "signer": "0x8e843e061C77d2F2C655e7a2c77c231b0A89eBA1",
    "userId": "10318501"
  }
}