{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1608706332",
    "entityType": "Track",
    "nonce": "0x11860180babfb81515d406ab53747255a5d8670d257cdd95d07cfe1ddeb1e85b",
    "signature": "0xa9e8994d97be3fee789c85c23dfcb278effba2bcaddddc2431bdcd373cf1694a0538ae6d59bacf2d3aa147c81ec6b58cbcb77b0d8eac996d69de7df1118fda3d1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}