{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x4c4e61a2ea2b099a7327908c89c055e04385981e33b20a9ac0053beeec4dcb74",
    "signature": "0x2cdfda012014def0e987126ae5008559d1498847b2ced2221ad8e547cea2738e529cf765392479d17bc254abd1edbf84154e674048362b6b9f8edbf94404b58e1b",
    "signer": "0x6164d22C5753c6E9f1ec157dDef5A3C606E2f10D",
    "userId": "534038283"
  }
}