{
  "manageEntity": {
    "action": "Save",
    "entityId": "1860637962",
    "entityType": "Track",
    "nonce": "0xe4dae730795a6712faf38390a1645afef2b6b83f10dda15be12843f93e84675e",
    "signature": "0x5639ee6ceee85e4eeade74b6f1a30505b2addba8c008252d84c70d54c608a6785b85d992bfe8371c397b5fbd8aa7947538cb2159da94045063a041e3eb8ebd581c",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}