{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "570560169",
    "entityType": "Track",
    "nonce": "0xae628f50e64bdf1997fc223b349b7e37ee9126a71563196d9142248e5a60307c",
    "signature": "0x5c7e8d6ad4e52c00aa10094a2d8790b813eb72f553df5241985c0f19adb29fc23da17d18d79073a2b1c1a7abd3d3447b13a62c9274fb87fc128b8b0b18ebe39b1c",
    "signer": "0x3a81218656b0B14736879633f90709C7DA66552c",
    "userId": "527678730"
  }
}