{
  "manageEntity": {
    "action": "Update",
    "entityId": "96526378",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcecb14588ca36eac4e8e08c23e514fd1d09b2df55834c62f5aee2c5197b90ba9",
    "signature": "0x52ca68c350ec5db316cb05ca12ede64eeed652dfe0dcc19e7391e3b9c908519c1477d078c0421d4d1285bd4feb659bba7dfbf1f5b7831913ed3837e9454bf31c1b",
    "signer": "0xb753089be1A1e3fac594a13e9CF5f74f9939017E",
    "userId": "96526378"
  }
}