{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "120886",
    "entityType": "Track",
    "nonce": "0x52ea07c5da0f21de091c72c2bc27e5714abc530bdfd52f3a9486036b10fd0560",
    "signature": "0xc2fcd6cd36c80cccdffefb9181c3139ee4a3420298a9865f832f5ebbde61c64b1fe35a9f914931485e641aad9edf7030b7d30c3e83eb0de18b19fbd1557636c31c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}