{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2039756532",
    "entityType": "Track",
    "nonce": "0x3d0925ccf2fbf207f84bf3fbd1bf8ede3abcb5440b97e836dfa693d645404e1f",
    "signature": "0x025f19715ef07a1c172a1acbf71d57eb60022399b6a50a9bf965fe2163de1f2a5114f5cca444a3dcd223a8dc63aa08fd66bf649f9cc6b7d5c21749e985b2c5fd1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}