{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0x7e1afc6e754dcba73f45019b22c0786a4c997acedd31e40ca12f740119a8fe87",
    "signature": "0x5f5daed065386f345d41cdfd4ae73f2a07900b8c732e3e859888e191d0280bd8743a496c5dce97468d52144cda310fedbc7c4f24434b26cadba10ad67e6e6f0f1b",
    "signer": "0xc876F505cb8a680D38792C141903C53780bc3901",
    "userId": "384345140"
  }
}