{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72606",
    "entityType": "User",
    "nonce": "0x483174e0005b43fd605cb0b6084bd78cd49b93f6bad94899d9538663203fa8cd",
    "signature": "0x2277b535479139ffb08c9fce2ae336e527f70975de0984657fc7d209f95a9a7677a7f90d1edc0e5ab43417c0dc73164ef540c708335c705493fa243067cdf0cd1b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}