{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906222947",
    "entityType": "User",
    "nonce": "0x76381bcf20d5bd65be65291d0e34be3f5dd240c315d5f576f9f5b7734686bccd",
    "signature": "0x7d9324ff9eaf0b57f21681ed11fdd9f331fc19ee3a78b5c3a5e26ca286ff0d4c1eef18ce8dbf21cb582e839a7dbfd439e936ca3a11fa33ff6337ed7e8dfbeba81c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}