{
  "manageEntity": {
    "action": "Save",
    "entityId": "84829",
    "entityType": "Track",
    "nonce": "0xa0e43a8746e98f3aa774351038dccf59fd0007b6faa5dc2d7945da539ba75b71",
    "signature": "0x26bfcf785e0c5f9d56a1313417d7ecf78bd05da23afa6ea552fab5e574f248401b67e83c9a86bdc444ec8a10748663c03ed483ce27035882e4bbb82c73ab56f61c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}