{
  "manageEntity": {
    "action": "Update",
    "entityId": "596321308",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe7ad01a3adceb0a1b9c5c0e4e43d1eefabbb728b122a49f3e6918a2e9e9242da",
    "signature": "0x8679754500d88f022b40457f036f180b3fefe4fdb62df07c913e44684873c21943d1d6c3fe91023a9edf8398924ba15773043fa64758c6d9635568b973aab0fa1c",
    "signer": "0xCe5ab1FCF04eABDe1FdA91F3870C68a51B00849D",
    "userId": "596321308"
  }
}