{
  "manageEntity": {
    "action": "Delete",
    "entityId": "393766",
    "entityType": "Track",
    "nonce": "0xd1522a8aa828294fbe217b3699c03d8faee66570d1acf2ae1de6e9e4c3127e36",
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    "signer": "0x3eAa3E814AA10Cf2145F714289ef3b07f21AbbaB",
    "userId": "73735"
  }
}