{
  "manageEntity": {
    "action": "Save",
    "entityId": "927626786",
    "entityType": "Track",
    "nonce": "0x8244de2b130b097cb1f0006278ac6e6d61e32700babe228279d7592076c13aef",
    "signature": "0x62c297f5b1e7f660e75900975b61c97e769f7c1ea912156260ac17a0458a767146a1538822a5ef293fad8493b5875cf2a68946f6857ff449b3e8469d5200bf121c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}