{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "145083",
    "entityType": "User",
    "nonce": "0x129168e401f182a42430fc649d1f232ccdfc0e748be5d6cf8082cf74c6f4cd62",
    "signature": "0x66606112cdecdc5bf7bc438e8002b2eac5d15a3043ecda2e20faf40668d84fca716240db994e55a887958cc1a8b966c88aad64462f204b170c2779452ec78a901c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}