{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1596792343",
    "entityType": "Track",
    "nonce": "0x81da6cc71ceda80492d642479487a8d4ff383b00f180ec1472410b09853a2a26",
    "signature": "0xf865cb1fa5767baf3b7975570b83fce74fe0b3d0e7280e1b5ce001749f6aeb383f59329886bd3c3f7f44f78a4ca07288bea7f8fae350d81f4a67f30910ef6f6f1c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}