{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0x9915d2a67ebcddada684071c2e301fb6a592f089af2486cf9c75d6c4526eb489",
    "signature": "0xf1ea0bd5b4fb9f5fca13b366c82949e7170b9603caec28d73d8808ef8041d8063428727beada9c7dfd252e8ecbd4e1743411ace6eebcea10ad6fb73aaf040a391c",
    "signer": "0xDA488c3482B9F9C93147473A8AbFBd053d7cf465",
    "userId": "313755"
  }
}