{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xf65b8b347859fe5e3c6c34fee5d27c1c435a0ba024263890e20cc1354bc6c7d7",
    "signature": "0x2727beb82c0cacdf85808a73d293eef971c01fbc72e31d33b7b43a39a99cd095515055c8f91990ff4adf7e4249249fbbcd061e31ec7d6337d80664350d30c60d1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}