{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152771",
    "entityType": "User",
    "nonce": "0xd3e637a5a3d77ee32c8523596a429c275be2f013e16b75dcc9ff6e7bd20ee2b5",
    "signature": "0x335d8e38a1c0399eb20c8eb018203b5507eb299d3435a4bc6b7ffb99e092168b7991007933ecfaad0e210ebd22e152e90a2f5f7b3543399da4ce7aff16efead91c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}