{
  "manageEntity": {
    "action": "Update",
    "entityId": "886744869",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xeded8e2cb0e798ad46005a3e7c25329d91614395842e6cf03daffb9c45d62908",
    "signature": "0x2b7888b73736f5b093a26139e4a481fd47c3596cc0661f17e3927c9ad477593f5240b8f00f480e83243b623a2407156ff80bde6e72c1a0d865d332eaac2991a11b",
    "signer": "0xA25aAd0206917611edC6Fbdd1632e805d998f1FF",
    "userId": "886744869"
  }
}