{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1605070488",
    "entityType": "Track",
    "nonce": "0x3915e6202f3c01acdef36f098170f8563d5fdbfffe3c189a0f3f8a176f4d99f6",
    "signature": "0xba92746b383b644536ca35e98fa54fc0fdd9cc89ab3953ecfaec31c7fb36b0a2367983ed31d3e117e4c9ee811c7b2c162684b1e5009e3c0a39bb4728f221b2b21c",
    "signer": "0x8FB027E4df97D62eD4C46f245e31Fc7369f06bEC",
    "userId": "288732286"
  }
}