{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "541161",
    "entityType": "Track",
    "nonce": "0xb9cdaeca74173dd6a1dc82a178da489e68b4a8b125e6ef4c05637558b118f3d5",
    "signature": "0x8bd63360ad682af4e158a03aa2b429870d282e29f790a3d68438a3c8842fcbc95afdb5ae88b59be4af9c8b3f569a33dd230bdf3936768954fba742e3d1cf88ec1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}