{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9a608abf8feb869feb74b56cd11114b94030fba1c6abd882828950a4cbb6ec16",
    "signature": "0xbd562ce5dbe6e4efb04727406a2f13e34ca2728660a7b05de350984e77a2154d0f606108d8168280ec98180c98dc4e725ce1fbf80ef3b8c6bbd9af41e4f9608b1b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}