{
  "manageEntity": {
    "action": "Delete",
    "entityId": "29557291",
    "entityType": "Track",
    "nonce": "0x3f5e7a8ab4ec1414b2e0d51f302124bb174863bb9f7e752b9e3b07480822b7b8",
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    "signer": "0xaFFCd8027993f07b1DBd33E978845b32cb340230",
    "userId": "37943"
  }
}