{
  "manageEntity": {
    "action": "Update",
    "entityId": "361508277",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x89831a738bed8c113d13d14261f80c937f522a264f0d9d7b22cead77a3679b10",
    "signature": "0x5954aa860c9c69e1fbf906932eb9de672bfbf1bd3fffabf91eea405627dd720c2dc57556e30b3e4bb07cdd7e70812df15bfae56d5b42ecaebd6d8c6fc8193a791b",
    "signer": "0x31bD11C427B52Db08B5145212FD90Ac4d00A1F8f",
    "userId": "361508277"
  }
}