{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "247993",
    "entityType": "User",
    "nonce": "0x4c0d3eae4a2dd8de12bcc2f92c75a039292677869059d64a619c73fb39378a74",
    "signature": "0x65aa91908c66c03de604fbc263df3ca99671fa33180dbb7cfee4b4e3d3c68c3f7cf3f2f5b613c23109f13360f60c5ac1e5989f17e1d768de6453a80e76a700981b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}