{
  "manageEntity": {
    "action": "Create",
    "entityId": "1795417931",
    "entityType": "Track",
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    "nonce": "0x6b94fe67baa08ef9df42e2ec810cf6ed0cd2926bf33fa4277878befc2341538d",
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    "signer": "0xEAE1c756dB1BE2AA6bFD12b24Ec5E1a5dFce3CE1",
    "userId": "324670697"
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}