{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0x43c5a1b9b5af08a96f8d0e6fb52299a3ec9588066f1f2fdabeb4729d259b2e8d",
    "signature": "0xfacae09565028728df8c9ab293ac7f8ac312a5f7d541b10396193e734d2f1fba10dd0427036782bf8fb21d3456966abf469a1e9dfda9eb481d89fbe86358bbdf1b",
    "signer": "0x5501467AFaA7897fBBD65dE583c7E74577B92f74",
    "userId": "608591950"
  }
}