{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185209372",
    "entityType": "User",
    "nonce": "0xe128d2e1d34f97023498405c3fd7e3d8b87018940fc060b1315dabbbdb499f01",
    "signature": "0x7a806889b4729e2132bc255deead4975df2e47ba55fa404904d54d0527ff135c310a97256149e0ea90dd6d75785d719549fd2ca027aede60e22573feb7265a9c1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}