{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105287",
    "entityType": "User",
    "nonce": "0xca34e4a0e49ca571f0a44494f56b0f05d032a9f07f805b4de8831f5418258c0f",
    "signature": "0x20f0804ebca73f5fd22bc0d7279d9de04c8353d46cdfd62a9dcb760c60c8e5f874989c24befe4bb7c2aef30c611219c8525e634eb95b77c83e31e40ef8386adb1c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}