{
  "manageEntity": {
    "action": "Update",
    "entityId": "186911295",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7820471fbf2a16070a59eb8952f73481c56840572ddce455902d570e0d273705",
    "signature": "0x96462aa24445c55e474c90b748fda0b1678efb0a73bc8432ce9aeb137cb110a837b2c3e0603aa9eacc41b8a9e0cbd6145b18a2dfbaf3271f10d685e98cb484bb1b",
    "signer": "0x336db6de61ee78116Fb73ee8844a7d15B359a5c6",
    "userId": "186911295"
  }
}