{
  "manageEntity": {
    "action": "Save",
    "entityId": "92354012",
    "entityType": "Track",
    "nonce": "0x699088825c3efc6a78bade04397cb95be351c1f0fb98856978d5bce0b0eac782",
    "signature": "0x6efd856d1ca797c9df0de4df76ba0d777ff749dc46e2bcd8a015b6d6c6956abb1f2089505debebafab6136e6791b3840476a22010cb2a6a2a5f80295d458fba11b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}