{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765540152",
    "entityType": "User",
    "nonce": "0x9694145c2ad04f175b56d0578c64667418cd84fe4fc04402fbbfe3c9a8095349",
    "signature": "0xdb83351cf61b005a0debd765c03f251c4a1ac4caa05bfb9529458bf9d77c62bc4554fc478ec8e1e34c418c1b841b0991f4499d3a2360b3c3ff6a18b62ad391db1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}