{
  "manageEntity": {
    "action": "Update",
    "entityId": "382050600",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x733651bd9ccb1eeaba05ef35288fa39dbfd81cf8dacb891492e0c1206fa94230",
    "signature": "0x31434a08b3bcd2636f545342088a65caef18f7c0ad4b9c40a1baafe1554545e622e6d7e9e4837d33f273e5f199b06acac872b296b8c6b7a0d6af81b31c38a4f61b",
    "signer": "0xC276fF68426672F516C841b992c54507ca235637",
    "userId": "382050600"
  }
}