{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2124163954",
    "entityType": "Track",
    "nonce": "0x31e98cf2bc688447b70f8ecf315e9c6dccf5b9100b97668cd884fd5029a7dbbd",
    "signature": "0xd22dc0b494c20ad9d7b475009b2c4fdcecaad5482fb37ac4d5648e347098423512fdf9e0200e1940028e4a447428c8fd4492fc0ddadf586d03500e2488be7cdb1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}