{
  "manageEntity": {
    "action": "Update",
    "entityId": "466712647",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x85bc6703b165baeeaac9e23cf2da82e1eb7a5c2926785ff25afcc37fa22879a6",
    "signature": "0x363bac67a8cd41ee2c7bf25f9c2fcad8229f5119a37ecc613bac2437b567e9876faf2fa0508ff299219eb43d3b812ef4b09827871358c42acc161ad24e9732351b",
    "signer": "0x2aEfd63D93E143ED5DF78f99fe3DebDEc6d51088",
    "userId": "466712647"
  }
}