{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x91e264c9075fb3bc62ffb7ec8759fca62a3904372fb881b4f8807cf6f857158e",
    "signature": "0xc3731584bf060d11b5a6e2a55ed0fb03628374d4fa4f744e098e948a115413ab2858819f333a4517909f18620058f300a271e5cef4e9cea311113be041552f061c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}