{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x9eeae0c3e121feace249b34e368311f0d1c462806987549208ca10f583cf41d8",
    "signature": "0x3164a4d5b198edbb28bcc48d8f24445a27c22a0c4ce6e62dac8238cd5b099ea80c73875a15dcc50493f4792d12692835fc899e194cc22c72ad3b81b6662e29111b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}