{
  "manageEntity": {
    "action": "Update",
    "entityId": "1151703123",
    "entityType": "Playlist",
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    "nonce": "0xc897b016e4d78dbb5d7ba665612c23ac4f4ea1b841396a85b598e9d5fd1b4241",
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    "signer": "0x645AAbB3BF848412862B16580BBDb4CEeBBf2EE6",
    "userId": "47150955"
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}