{
  "manageEntity": {
    "action": "Update",
    "entityId": "224774340",
    "entityType": "Playlist",
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    "nonce": "0x7748409879564e7c8c37203ed463e5e281257b9b5832a44b7493255b9b2033d4",
    "signature": "0x1ee7927c89f158107d04d0593c1ac750a5d991ed727bdc62a52c5bb179ac8ac75308767ae9c82fa0bcbefb6f69bb43dcc676da74a65f02b76c747884ef7ac8901b",
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    "userId": "507170227"
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}