{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1598378817",
    "entityType": "Track",
    "nonce": "0x59679259d02f4b6942c0476353abc9510f48cdf369ccd037e6cd005f6a1c160b",
    "signature": "0x723baacc03020ee610682a28460127dbe82c40a4694c14f65f7116503e5b09c0192972e32d5e4763d7903cca5c7c6adcf83ecd25dda3c64ff38650fb672c2fdb1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}