{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135648",
    "entityType": "User",
    "nonce": "0x9abb83396273aaa4fade48c0689a46da40206971cf8b072fc094a66065c34baa",
    "signature": "0xba473b86734facfaf9d7ad6f57761844cea05ce01e34788e6a28d5dc0b18bc23120ea9024abb8a505d74d3558cac703740e0ccdd4dcba4f42fe30bdcd17be2f01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}