{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189818",
    "entityType": "User",
    "nonce": "0x4ab5a19d71e3c260c0a7b3c4a3eb3964868fc030d33f9984b134a3662cda0ddb",
    "signature": "0x33ecf4af348634c7d09a72c61672330372355ddadbbd8ccd8e13a333bde8282008bc77c6cbeb10272ea40211ee1e1c8811f133c94728be0c91d0d92aa456b7b71b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}