{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58631",
    "entityType": "User",
    "nonce": "0x44d4890d3cf829fb1bbdbad9df1152e65d45e5310ea37fdc062a52eec8322fd2",
    "signature": "0xb97b9cfe8f854b5346dc1647397ce1d862dd0d46d2129127683a5679449f35f062def8f156b06ab0c5d95c08103c7ed5dd5b0fa8c480d69954e3efd8bf152b431b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}