{
  "manageEntity": {
    "action": "Delete",
    "entityId": "814868163",
    "entityType": "Track",
    "nonce": "0x5494646f63abc37e472ef17444895096d1dddfc929ac8fbdac1fee41e03fe751",
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    "signer": "0x7e1Fdb8C8853c6edB3e64145B995fb2F9F72A4e6",
    "userId": "986108925"
  }
}