{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "94509",
    "entityType": "Track",
    "nonce": "0x55bfa7cb1f2a0d99d2af16ef376b811086dbd9904f84434d97d9c1aa6ce5da0c",
    "signature": "0xa6aa723b0243b433c289fc919a1fc54e2e4579f7cd7ccbf62dc556d74ad6b76d63dedc7c19737b64f8058f0e41cfc99bf27d1f37762c14291f062f99e43564211b",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "100"
  }
}