{
  "manageEntity": {
    "action": "Update",
    "entityId": "186630",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraa2tvt2r4mqmcvjcmwqdvuleaimfveqqnutp3crnwgxjamv6qgbhq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":61293},{\"type\":\"playlist\",\"playlist_id\":61570},{\"type\":\"playlist\",\"playlist_id\":61832},{\"type\":\"playlist\",\"playlist_id\":69439},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x128ab775d0c2cf9dd37e2e09e37d43d66c464bb0bc1213bdf30d608a8e4ad877",
    "signature": "0x7c87040319c9dc1d87cdc0c04fd1a8d4a44abd2072d031d6a40f4f0edbc30be04df35ea713a601798b29148da7cad61f60ceec310d8b16a1641d4af9ba14284d1c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}