{
  "manageEntity": {
    "action": "Update",
    "entityId": "44823526",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbc505fb89b47502d5ed491ecb4022097458fe70b2bd0318a070c69cd3977b7f7",
    "signature": "0xca823aa0b7992787cf73e0494dfe0fceb15fc2edf743bc67e297b89dcc3b30161d349cb33f6e307e0d855f793d925e51553bbb8d9fd4cff38d8814bfbc3a25021b",
    "signer": "0xC1cf18E7962F1B2641601386734817c6F66Ad50F",
    "userId": "44823526"
  }
}