{
  "manageEntity": {
    "action": "Save",
    "entityId": "1766892114",
    "entityType": "Track",
    "nonce": "0x2bb7edae2a4b5cf753c68e29c1756ef26f63517d9348bb6f7303f6214b5e73d7",
    "signature": "0x3a06bff8862e9cbbca95243bfb7ede64748d71d664be77b2f0bdb468b7ead02a71f0f9bd34e8174fb88d3900c883234fbaf861437344c1edc97c7941d27024171c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}