{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "577414",
    "entityType": "User",
    "nonce": "0x6d008a5d8f60b338e6999968db43295a2d44bec0be471208f1744d747fc818c7",
    "signature": "0xaab1683ab4e112d180ee7d30237a2842caf61584c80261a0f315163e1d5a44ec0d828640163de6cf53915fb7fecbd1893ab718141a68acd050ade8e947d128c61b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}