{
  "manageEntity": {
    "action": "Update",
    "entityId": "60415",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapjx76hzg3xbgvgth2i5jnubkazvovvnpxzf3f32iq7l2tzgeq3dq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":513357655}]}}}",
    "nonce": "0x7e63c7189395cc0c91357d4ce360d939d6e733db3b0518bd2aa22cf037af3d18",
    "signature": "0xbd3e535bb305f4854f2623fd6668f8811f3d83ded257ad171a962634a43ff9b41975b70e78e9490b330cd44ab3c276cfe7cf539e5793722143bdc64e51ce701c1b",
    "signer": "0x5A76eaF1A8E613f7381695733D971a4bE9E568E1",
    "userId": "60415"
  }
}