{
  "manageEntity": {
    "action": "Update",
    "entityId": "895838027",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1d8a2bb7f74ada517554c4d6cb6982fb85ab5a7e7b48e2d00db65f8dd3f9626b",
    "signature": "0x6366e5548b3007de1660b5227dd320fb6a4785493e176ff19320470b07520dc6521d6bf1ce4cddd98370ac1d592765c35da006dc63d8151f1db095224aa3c66b1c",
    "signer": "0x2b73DC8eE88deA3a697F6FD4f8137b517cB5ACDf",
    "userId": "895838027"
  }
}