{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdc84b8b78a999b633a2cf88ac09c5a593d689acc5598c6e9a261e91568daaaba",
    "signature": "0xbe4ee9c4ea2b2bf1b366ac148084f632f87e7b4772c6466d8c7a598655075fdd6f8ef250f5ce00976d8c44fe8e4c0e28b8a0615cf1d5ed4dbef07509deb837951b",
    "signer": "0xFdAF41f6FCA4aD08014bfE6baaEbBF0915331bab",
    "userId": "796315510"
  }
}