{
  "manageEntity": {
    "action": "Update",
    "entityId": "814033275",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4e086dd3a24c79c576c6223b5145b9ae47c7fa34a803019b84807894dc20844f",
    "signature": "0xf307eac0c2df1b5abcde7ff48b667053c1e831284f781951c0a65364fde8757d1b13cf2d651c86c53d0ac5eb49087abd3dedd1a59dabf4f82eca96f476d548171b",
    "signer": "0x4307A71D1986349280B8e946cBafC105F323BF97",
    "userId": "814033275"
  }
}