{
  "manageEntity": {
    "action": "Update",
    "entityId": "105402635",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraq3ow5ikmqcx6x54aogjna4xzafxwfyej2jauv56af7humap3freq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":29217}]}}}",
    "nonce": "0xed23872b543d01e4d3a70471fc3561b0e8d7ac27b6ffa8c8188fcdfdc347015d",
    "signature": "0xf5610061a6510ffe6bec9e64c983428527a7d2becb24a3903266726ad186eb4c2c0c355d27b5bc9f68745ec559936e1a461131141dbf510512254ae76685c6b91c",
    "signer": "0xbcF27CD259a120e92577BC7a7EB95670b3A0E2fA",
    "userId": "105402635"
  }
}