{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x05d3790234e3bafef36e94b259003f8b976d87723572880097259f75ce716f77",
    "signature": "0xf09780d55148b66f3a5112aa7a8a2f08bb75d97f8d2eb842cc3e22ebbee3af5f7135add70d4da3634105b7ff7606ade50bbf252dc5a44a5b95b7f7988245ed281b",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}