{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1831660257",
    "entityType": "Track",
    "nonce": "0xae41d5ef700787deee8a5450661a0fa46a626af4980ec2852166f4e938e3a6a1",
    "signature": "0x0aa79f7ff3ca9d906bd6553ec05640664bba025b240631d34b0ffb6184ba1c184bf81432316540abea55a13482b49aa96b0df9278b160e3284f3965d549cd51e1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}