{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50737590",
    "entityType": "User",
    "nonce": "0xf93dfceb8ad14cd7e87fed89c3d53069af1dc0eb09422643463c2e25cecf8608",
    "signature": "0xf951a98da51a57b310b7fdb604dedf52dee327be63329256ca5f87245e628f997668f90363358bb505565a297cd86a9891e75f621f1d951b1df0b038762489151b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}