{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2050495970",
    "entityType": "Track",
    "nonce": "0x3fe14995f9d491b8180cccbcb4410c7177e00d3c46cfaee61522c5d6f058ac12",
    "signature": "0x8d32c61bbc9b21af5f426c4a76e819e42a937981ddcc0fb69ed7c6651e1009d3762ca1728a98477df77330f16e3a9ca03376a815ac53c22c297aeae9c3a413db1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}