{
  "manageEntity": {
    "action": "Update",
    "entityId": "861832117",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7ce46e926997069945c008b3f2bc1407741d2bfb6b453c99029860a26334032c",
    "signature": "0x1baa9b8ec6ee82d6ba7e15a691ab0341dcc7dcd166f7762c1aff113ac6ef39ff39a82251a5b09eb7296a3522de1c7a2c674e0ea8577c06f2ebbdc7a00803a5311c",
    "signer": "0xe083C6657964CDF8edDa4A2141B67047B9816C35",
    "userId": "861832117"
  }
}