{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283535234",
    "entityType": "User",
    "nonce": "0xf5a365351cca4f3215d4c888e00ae8724ebd638bd918367138d4505f27ef34de",
    "signature": "0xc7d25398503f3610ed030b061b6001247d09170f0d938f64e79ca71a118f75e73af3dc43a375962df80c973f37cd06efbbbd9f395449685f3cbf0befd410f5c31c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}