{
  "manageEntity": {
    "action": "Update",
    "entityId": "788993263",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf9b92c610cdc69d5264603275bc3e3c6375e5c9c39d73bbec5f48702657ade6b",
    "signature": "0xd0bef6df0e5b7a0e73afc392a58908183db4c1250368e2172962100044a887426202735a4e1206998fd86055ca76ddd4cc7332e325b44d7ac87fe198f2c1e18a1c",
    "signer": "0x79B3BE46519548af798df1E7003fC6e2D8CF1579",
    "userId": "788993263"
  }
}