{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "883800976",
    "entityType": "User",
    "nonce": "0xc9a74761fecaff4cb095e81979770d6893939763af1ea517c079839d25e557da",
    "signature": "0xaf77684cd9711a7ae7125ba999101f52b72d12e2238a8653972a4f739303f75c2f9f10de785f8dde1766926787239723456f26cd60cd8b80ff5450c1878997f81b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}