{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xf5a27b3214382b8b2bdd7e1a39fd4c5002c541599a77b1d838ab7a489fa9ccba",
    "signature": "0xe3881dd71bb4a07d7fe75f8751eeb5bec98bbb6c5d3c41f9528f4f655895ace244389cd590ecb927195369cba8bdd0eea61efe77fcfbb751395d5280b8d76ba71c",
    "signer": "0x5361D103624D760e2031610e4A4126859064e786",
    "userId": "196497618"
  }
}