{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "891797130",
    "entityType": "User",
    "nonce": "0x156ffd53a007c823b57ae6507fd84cf6d62f0756e02bafd9fbcb71ad9b9b04c1",
    "signature": "0xfa93cae6c3ac2690f973e99cdb4ebb8b54e9f22f7b9e9329c265b6fed121b9c247ebf5966990219b949e0b4fe4135e31089649d12618ff58324e2670ddd912cd1c",
    "signer": "0xac9398fE3324BB093c993C791Db4a36624f5a248",
    "userId": "223946715"
  }
}