{
  "manageEntity": {
    "action": "Save",
    "entityId": "134630",
    "entityType": "Track",
    "nonce": "0xce00f7481619b0e9c810926493142919c75d81afbfe754b50921340026f3c70e",
    "signature": "0x8caa6a97e26e550b14ec4cfa4cbf34f79b93938deb2c13096e821197b7cd8a354489c42298a09df296982454e9a46fed5ba7acd9066d71dcbf9c0dc3e01df6db1b",
    "signer": "0xCC89cD92c6e13cFe8FaD7993190B2DD0899Fbb58",
    "userId": "780759970"
  }
}