{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "576874887",
    "entityType": "User",
    "nonce": "0x3b8a45f8d17110797ba1209d45abe59e832dc8167f20a6d14b24d570a8611317",
    "signature": "0x08081fa591e1faea8652bd3a5b62bfd0a008a8db2805726f7b7eb4d1191e05fb57bfa5eec1e0da99b0d2aa1d6e5fde6081661ade600707e886cb510a09f8641b1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}