{
  "manageEntity": {
    "action": "Update",
    "entityId": "969530888",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8f406be86279132d8aa30c99c07932728700ffe0d5391bc0c318af8302e38930",
    "signature": "0xc35fd55447c69525cbef9f05330ab3619e029afe3aec243036167a3605d691c4127182dc01a477d4e55616bd1b9554ac9fe394ad546fe7c505f8ecb15076caed1c",
    "signer": "0xcE1bc8754AC45739236dB9A664029Dca0DAe18f5",
    "userId": "969530888"
  }
}