{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137076",
    "entityType": "User",
    "nonce": "0x1fa3aa5f29082ba1b8d0e2c0d01b9d478f47f8c629f1720093249a77661295a6",
    "signature": "0x7c860026f903dff84fc21afb9248350983ee07338a8c6465221d860e5870935f12527ae71e15e62f0d4239bc5db461c5b10de4217b004f520c9ca918ce1a1e9f1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}