{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1309316086",
    "entityType": "Track",
    "nonce": "0xd3c72a6536afbcce6b86264869d50f5a70faa58c5dbe7c9c08475c1a5412a0ce",
    "signature": "0x033a0f0555843a78779327c98e00f3d69e74ca1354326853419219a76c4c573b516322c9e6447a29ccbf09db256105d1f5a1814c11f4f1d4aba27b528884b8ac1b",
    "signer": "0x28bFf1Fd30814d76B1D502B7Fb038a92E17aaE50",
    "userId": "819448182"
  }
}