{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324178",
    "entityType": "User",
    "nonce": "0xe4ce65d023816f8080dad595e3453e3d9aec3b747ffb112408d6ef1a9a7ac061",
    "signature": "0xf5dedd5f73dac2436c86da8759850a478247810b96bd292c47ef2f9a0292bfa06314ea3d981e38400ef9184180f2d39198de98858a3b464c867e74215271a0fa1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}