{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1831660860",
    "entityType": "Track",
    "nonce": "0xde28c6166adf33bfb7578963dc977aed6009bcaef8a8256d6b7fc8b6763f0490",
    "signature": "0xa954c10c4356653b5cb5d961416a3b320acdd74c91f2b8c274fec89acd82949516a2b470e7efa2f9f436b74c64630777d27904a5156a3ce6d8cff0b758d209161c",
    "signer": "0x798789f87741cE0Bf4719E479E60410434acdC1b",
    "userId": "47889762"
  }
}