{
  "manageEntity": {
    "action": "Update",
    "entityId": "701967908",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x88ec4645f6e04c2edf3c75808d9f8b7fc0a9078d48a1876415ba45619b98171c",
    "signature": "0x3d84572e0fed5f4bf7b1da6e07e533c69a11f77104a7e571caa697256a08ca9456f5cc33883d688545d10776eb1ebdf307303fa445306df76bbef4df789218aa1c",
    "signer": "0x1Fcc9309277ca1De97600de80d52EA2fDC732aD4",
    "userId": "701967908"
  }
}