{
  "manageEntity": {
    "action": "Update",
    "entityId": "30424862",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xce5ca9aa0f3c61290300ffa1700d42f2e91ab541b5e17592da4be2df0ea1e60b",
    "signature": "0x4e5de3170640d8891e6a6e66cbe7e01ac755b748487df9eaa13c91cff702f20108b97c3f0decba7e68e1d7b89173a86403a456fa41033748b8a3d1acfaeaa05c1b",
    "signer": "0xA90D583f31199FE1F2d12366a70167A343A9F16D",
    "userId": "30424862"
  }
}