{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0x0425f2be7321959e72e3646facc11d653f7763a4dfcbbaafa88bd457358411a8",
    "signature": "0x1f4c44100155a10c57111c5a32c418c62b206e2b4856e322ad1c601f964b4aa06fbc1ce567490da6e578d03adf7de81a4bc3548ba561b08a661deb6834dacfe11c",
    "signer": "0x9731c27a228046e65489b08a1C3f1A64f7093B55",
    "userId": "848409996"
  }
}