{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9956",
    "entityType": "User",
    "nonce": "0x757c97ead3d0bd086636d7eb1ca117efade911514eee979760d0c19502ecd64d",
    "signature": "0x0e7c55d5a2449141255d81ed96e8ed173ed9eab16c7570e6c430285fca3a2bc013ea3927c555c2873c10e5320be1bf230697c641315ec6fa3b74a5aceefa4f5f1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}