{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x9bf0bdb8540e5f2701cd79c8c5b35f26e52e424271571e58bc7256aeafcedcc0",
    "signature": "0x853565c4a5404d5a28374d344d1f56fc9899b4e320a2838fbbc249cba98e477a3fc05b01a0bd777651ee902e7ab3f0f35a376b77cb8ac2fd3d21cb4164cb20981c",
    "signer": "0xe5C8656B7b39CB23624854b7B862F491EAbA2dB7",
    "userId": "713838474"
  }
}