{
  "manageEntity": {
    "action": "Save",
    "entityId": "126792",
    "entityType": "Track",
    "nonce": "0x3047272f2c31047443dc86b8357da55276164225618b935208d8fcca7c383f52",
    "signature": "0x007af70f2f1e3f76658df0b194854af96aba16b8da75915d5a0dc46c38fef19b4ff6b044e033f50cf5eccda6fc4dac836f85bb8c59ca7a19976f5acff7f733821b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}