{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "247290",
    "entityType": "Track",
    "nonce": "0x9d6ca8df87dfb953ef70914c327efa657a3f910c01bae4e573b481f489dfbdb8",
    "signature": "0x2518e4be8bcc8566a99e92464349d9494ee4f5e903b926631a2874615cac7fbf5fe964c99178644e612032ede10fec5e96ad960567bcb4eac6963422de92d6e31b",
    "signer": "0x77716b11b242ACc386023E99B7e647CaCCcbb8b6",
    "userId": "126786"
  }
}