{
  "manageEntity": {
    "action": "Update",
    "entityId": "238279895",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x613db852db5a44f25a9d7dff0f5dd085910362923b3a0e4cfd8cba24cdfca35f",
    "signature": "0xe13915b09a9a8c86e58c3f94afd8d0f9b7d4e2aefc94d33e52a13df52a769eef176b49545859e0f3353b8936853df7b099935d87e1730170cddfaf492f7873ad1c",
    "signer": "0x7904f7774eA78bd938A502d95C120965f4959411",
    "userId": "238279895"
  }
}