{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x08381e4bf3b15bbfaa5a6bbf5f9d19ce29e7c746af352086fb1cf217af7d833e",
    "signature": "0x6ec37c9b71001746814ac8a8345e3c5caa78a69481eeb13d0adc01f9a1f7eec57e3ca4bbc523d29780ed081a41961221ba2816058e15049bd74a8c65e8fbd1d01c",
    "signer": "0x70b7c172C22ca6f528F9B205cff3E32D9D6cE7dC",
    "userId": "396607"
  }
}