{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1011145",
    "entityType": "User",
    "nonce": "0x9766d66cd283b9be2768d7015d6343932ee992052cba3965b3fcb0fe9c7200b8",
    "signature": "0x17674c2d02d791abeb8d4929afa59c289227049f5fbf63e15c8f75fcf824f7cb578ab0df244ad8a06683f4f386e73e97ba66113413c5f470916343e6d971ca271b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}