{
  "manageEntity": {
    "action": "Update",
    "entityId": "696978255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9846f91dd001e106c1094ce8c9b352ee29d3b0e4ed4b585d66a9cc8313efebcc",
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    "signer": "0x60495664C60cF8427e991465f31ABe2F9dC345A5",
    "userId": "696978255"
  }
}