{
  "manageEntity": {
    "action": "Delete",
    "entityId": "670490237",
    "entityType": "Track",
    "nonce": "0x1938b38c21bc2eac8e1ef8526217f7a53ee06da47e053fad37acd8559dabc3f6",
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    "signer": "0x5Bd2B55f9E919abFFCC7853cd54ABf716372E6Fc",
    "userId": "70026"
  }
}