{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1389325120",
    "entityType": "Track",
    "nonce": "0xb3667a05cdaed5586aa86f40ddc87b7b18ca6882de40286726e42cdfc6020f2c",
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    "signer": "0xCb13872bbe79C6eEa00c96380E4dA6D454a576c9",
    "userId": "642343541"
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}