{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199044",
    "entityType": "User",
    "nonce": "0x1e3aaafb7b3e10334001c216715a5629688b0e1c066e4321768187b46cb2d36e",
    "signature": "0xed750b712c0016681744180f0179604d8b16ecfc94c96e9186a609c3fbb92fc54a287b54de5c3757518adcded929b024d2fe9ba64b0dc115bc234cccf72bcc7b1c",
    "signer": "0x65284b16c6C99f85DECF97dEA10cB715d52BfdDc",
    "userId": "533692254"
  }
}