{
  "manageEntity": {
    "action": "Update",
    "entityId": "161924476",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0ea9303d0d9f00796cd6afaf71bb838941848cc8380830dcd2989f16b29bfa53",
    "signature": "0x80af63a24ac92d1e5fbe70ad3ee3428669d90a74358e4a4129db383474d179b65fc9fcdcc805c781c0826864841f93d92785e6fe4bc5bbc1fd79f560f9136f921c",
    "signer": "0xb99693DdEC8d0a9858Cc4Df26Fe5FC4CD3A77832",
    "userId": "161924476"
  }
}