{
  "manageEntity": {
    "action": "Update",
    "entityId": "941711771",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x30b8c4de83fed7d076bd408af1864e289ef2de5579a8c44b7aed1f7d4b288fe2",
    "signature": "0xf9685e750e6b3ad8be08e523220990eac8023b6e65011ee86d99010fabd209bc40796df5d19be672b7d9bd31056aedf55d072225d3a71607ed2e66bad96480491c",
    "signer": "0xbdB8eA7Aa50C113b1755Ee2985da6D2DC957FE4A",
    "userId": "941711771"
  }
}