{
  "manageEntity": {
    "action": "Save",
    "entityId": "36064",
    "entityType": "Track",
    "nonce": "0x92c75e08437631a03e25f8ab4d67b5dfc90e087c993995ccfd30455d0c10e6bb",
    "signature": "0x49fc564e478ef5cad5a87e27d88cffb4af4408cf015e5b8227595eae46cfe298241e251ead869e18986db7d126639fe5edf6451f8c7827958e3631de728cb2481b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}