{
  "manageEntity": {
    "action": "Update",
    "entityId": "739625260",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4686448e0f9fed04383e8662986fc8b0d9d461e213ffd623df3b33801c1c67d4",
    "signature": "0x118eec15c9223aac40c7f9614ee534687904d69c6d029db5ccde20492ecc116a7b74f6e67e5c2443feaac35f3cda72860809efcc5a3076103d665f9deff1e8c31c",
    "signer": "0x85d4cd24EBe4d4E3e476938d816c6EEFD87C6C1B",
    "userId": "739625260"
  }
}