{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "414492289",
    "entityType": "User",
    "nonce": "0x72e44e20be4085e8931b50c2b5697dba3d8bd434ec0e1c5808f271cc1419547c",
    "signature": "0xac4aaf88fddc623a7ac9ecc9d198c8523ac836742a7af939984aa2682c8c6db620bc43a9b76728207d74d1f6124f1af6cd1af2e00efbbf2a4f45ec20672a57651c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}