{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446905001",
    "entityType": "User",
    "nonce": "0xd5c8cd5053eccb58051c1bd24372749b00eecf77663a4e766ec0c7e7cadb5e70",
    "signature": "0x1970a4a56f2d34e690c91de2429c4a33594c94645ea4c0480fc9b2705da8af346df0ce3173f5fdfd299d099a302ccc59abc0e9877a24b94c9f957c67cfe156661b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}