{
  "manageEntity": {
    "action": "Save",
    "entityId": "1696157344",
    "entityType": "Track",
    "nonce": "0x39c4ba513f1b7dd04e103a0160c1204bebba43c1d0b2f5a4475fc1dfe4f24d01",
    "signature": "0x8e0686a0d0e62d80d17baeb03f70817c68afca4806a7ee151ef14464ecf68a7b519474695a3dedb2a6197f614b2aecd51fb882f7fc3ba033d52662ad2fe8e6051c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}