{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925608483",
    "entityType": "User",
    "nonce": "0x0e776a81df97cbf9b079cc1e59ad79eb452c933f67f52508d314576c7a6291be",
    "signature": "0x379a6ecd5fc3b77c97f2b2b113e07e8ef94df56cfc74c2f782dc35e4244dbb1466741c735de724f0ba9f46adf3d24642720d06cc599cb5ec8b7d6179d7fdacdd1c",
    "signer": "0xac9398fE3324BB093c993C791Db4a36624f5a248",
    "userId": "223946715"
  }
}