{
  "manageEntity": {
    "action": "Update",
    "entityId": "760921899",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2282d24bbe877a3f1209191797f885c2bc495787d0bb22d2059652d3591e6438",
    "signature": "0x0cb3efe7f7afdb59c435055fbd4486167b2b7aa2d1b0fa4abac1409b292d6e4e5db602d16d99cd1d9de93cdc40ea625576fe73dc709c354e650d6cd16702c1261c",
    "signer": "0xa0e7bc51dB8029B4a47DCb7bC620654B2dA7982E",
    "userId": "760921899"
  }
}