{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "992989677",
    "entityType": "User",
    "nonce": "0xdae5771fa301c009bfa4b29170f8e1cf764a9b9747609f9d648e6fb8d5f1e69a",
    "signature": "0xb897858e521868720415f5a8df793a2a0d21db8b4e3ebd7010d277f7a4f8d9a107a2823364166b0b10136e9c62c662a60963d59baf6b61e43dca1ee22f928d1b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}