{
  "manageEntity": {
    "action": "Update",
    "entityId": "155222632",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe5bf73ceb1f3274e2152c9a532e1b17ec8ca7265bcabbeb9fbed844b8470c392",
    "signature": "0x9669a169536b9835772932556fb233341da016982b815a68ec7f99e272488e0462417a8427ed6c7f4a45158d7a07c03f075117896a7b884e6e1db77896cb05a01b",
    "signer": "0xb7379614B0eb5DF6A7e34B5Ab3BeC1DBf061312d",
    "userId": "155222632"
  }
}