{
  "manageEntity": {
    "action": "Update",
    "entityId": "724895865",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x14502780fa8dee274738e39e36b1c3a6b5443660dbcb82a9f6404bbb690b8af0",
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    "signer": "0xc41BFfd927B967718c06A2A8162a628312819d88",
    "userId": "724895865"
  }
}