{
  "manageEntity": {
    "action": "Update",
    "entityId": "526054465",
    "entityType": "Playlist",
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    "nonce": "0x93b718ebab6e570b10edc3d22c743b1f6cc39a181bc9e45e652b5828c80616a8",
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    "signer": "0xC1c390791Cd8584Bc0D056AdDe5c3D747aA694d3",
    "userId": "395219571"
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}