{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63993",
    "entityType": "User",
    "nonce": "0x87202d6c927d9e596d2b5a277429ea038e364c7ceae95f31012a17d1f796a6a3",
    "signature": "0xd7de47712c9afadb0e6dcf2beb631f04f52ff26254b78caa8b7335881f85f6c36ed5fdb9194f3328d803342e2384fe39532f0623f124cad4d410581073fe52841b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}