{
  "manageEntity": {
    "action": "Update",
    "entityId": "211932193",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf1994205dd4e1e74007cee78aa6b392f29917c35fe090eff9dfa755b9f9b8caa",
    "signature": "0xddc645c69062f07ea078abd640cc7dc371714c894d5e9644098c14fce186f81370fb022c49eeefcbd9ab404b5d2238ee6050b159cbe17a99bb813942e13b15281b",
    "signer": "0xa9032eb9DCDE6EB561aF168bEb1Fab5f90B66Dc4",
    "userId": "211932193"
  }
}