{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x94fb0183fd64ba5b7733d0423b4f52a8c62329d39210591b138e8818e533b1d9",
    "signature": "0xabd003a74cea123446a9e797703ae0514ac570d99b46eb363fa1cbf0d77ed1773a26f19659ad305c83e7d255006718a2cdb62c8ff409b088470651624df479ba1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}