{
  "manageEntity": {
    "action": "Save",
    "entityId": "245280961",
    "entityType": "Track",
    "nonce": "0xd9aca95cea53ca4d79063c3f98beae63074df73be9cce7c46b8f5cb5d04592bf",
    "signature": "0x7c79ebf809d6fdf7a6c7e44ea22f8a5f308a76bba441f8ae68e236d24dee410b7a0c40b1c2a92086d6ea718facb6890a0d7324b8d5b1e916512e0c7e87bdc5381c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}