{
  "manageEntity": {
    "action": "Update",
    "entityId": "127156257",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2fb4c0b6b1deb73ee5496d3c13bf4d846fb96eeb3c4dcf77c1720422b7e324f2",
    "signature": "0x0f7826a042673767ae03fe41ada66ac5fd310308486199d1376ea18d37dc2cc91f911b17e2ed234f8379276a80599c448c809380a43c601e12bed148215ee4e81c",
    "signer": "0x72EaCE7B4D2E81Db7aF316Dbe484eBeaFd2060eb",
    "userId": "127156257"
  }
}