{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1019292966",
    "entityType": "Track",
    "nonce": "0x09979bf8b93cb89837b52282ea6b790ea8be3d6a8120b83639d97eb3a89a8906",
    "signature": "0x613ead15c366f5cd3aaab84586b9519bced108b0c173997d420aed79c961be11382064f32e95e40cadb5dbf849a96ec77c16fda1852e4d88e8d2dbd595e86db61c",
    "signer": "0x68C6835E50077960d1Ad0Ee7F2FF84206cE2B82F",
    "userId": "534010460"
  }
}