{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x063bd8fbcba5280796a4723b55a99961448299c7a83ab99a466a513842cbf733",
    "signature": "0x10b27edd7debd921d29bba134ba40ddb371bee3402e6d5ec11341a8d832cb01e77ca858d38b54848dc339ab3035d03bee81e1d51558b08761615df73d3cd178a1c",
    "signer": "0xb98ef2f3573a0B0E83004f1C3b8B2288EAE90B8F",
    "userId": "831561034"
  }
}