{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "790095143",
    "entityType": "User",
    "nonce": "0xa99a9fad7dc78b74278326052be2d7c661cb8dae2ff1cf4e2bceaa128964c163",
    "signature": "0xc618375d4e9b8f7e90504ec48b567e80323d08683a11704ff115393bc970e4df580c453ca56465285dd53788b08eae2cac572ed6500ed4379751a7ae1798b6a11c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}