{
  "manageEntity": {
    "action": "Update",
    "entityId": "790166395",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x31336132aee45927fc7348250268891ebf318c345b7db4c70e0ec9d3770a38da",
    "signature": "0x5b6166b2d5c1a09689b75e93951130442b380facb4cec4d2d96d04781cc65a2d0e51047a0473cd98158b03b98a710d2102add82ca761bbc5bf182af87ff0377f1c",
    "signer": "0x6c01Ea714fCff16c0871EbDa00Be92bF3d28c47a",
    "userId": "790166395"
  }
}