{
  "manageEntity": {
    "action": "Delete",
    "entityId": "454894929",
    "entityType": "Track",
    "nonce": "0x70abb12e08025d9b7553de16d0dc67af126621c153f5ce1bc515702f5b5978de",
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    "signer": "0xDf42D6cdDc9DF9a2705E2C31429B1DB982CA79bF",
    "userId": "1935500"
  }
}