{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "508076300",
    "entityType": "User",
    "nonce": "0x210b61859a538df6ba268b40945b24fcdf755d3022ec6b2ea4369cf13e9d3a07",
    "signature": "0xe7396f0e9fb71f5d55696ab02fdeb319e8f159dc07ed2618156e5e1df4fe9f4753953d698d94bfce98648676c89e388d09bb2109fd1b0e12b1786888855b378a1c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}