{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60023",
    "entityType": "User",
    "nonce": "0xe0f164999b00bab269d5ea767d69e0e5b984970acc2dbf208e4da5d5b56f34fd",
    "signature": "0xa799d9d63a54701be3c1a0e6edd0c2bcb28a31b2e64834be587958646abf6ffd0850c0f4845fb38a156d1841aac1fe37092d4eee7a00e3aace90de322ff16a071b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}