{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0x3d286eb6f81162bdb19b594fe4d0cd9fc30c49390713274d5741a80fd18ae88c",
    "signature": "0xadf796a78946305ef1aa519cd20c98fe6788d4def4f45250a18d37615796fa6e5c30fcbe331c88ab0fe22d32b328ad86ffc8086c2618d143b880c17aac150bd91c",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}