{
  "manageEntity": {
    "action": "Update",
    "entityId": "892995183",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe683337da6d6201bc2f1c89e98d56da0292e4495dc4512d697b321b40f097a9a",
    "signature": "0x25413ab50c1b2f880ea542c75247fd833c11fb099465d99c97c78dd7eaa70d80740591fe4504465c304d6c23688600b9df7be6bbe03997ee5507b03a840da71a1c",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}