{
  "manageEntity": {
    "action": "Save",
    "entityId": "1060109589",
    "entityType": "Track",
    "nonce": "0xa6d34b9f69e6b17f04de45a3f3e6ed58018138144835b12f1e23c0f0ba700f13",
    "signature": "0xc1d9842b6ccea401e7430dea7b837aa03838c19db82593037acaf1548d0116e76a7cd7a3aa9ab10ab16747a2165829620d56afa05545d8b244e312fada0196251c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}