{
  "manageEntity": {
    "action": "Save",
    "entityId": "23336324",
    "entityType": "Track",
    "nonce": "0x0779e8a6ab1fdbb560aac1df2058c26db3df365d761f23b9001f79f0ab3ce7f7",
    "signature": "0x3fa29f2f0e0f0cbdea6d174dec3c406d75097ae074ce0d98e083f23a0a79c22d1b39dc73d90cdd78e13d9bde1a14aa396a5bf700310ccc19a39b1d4f036ec55b1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}