{
  "manageEntity": {
    "action": "Update",
    "entityId": "20541985",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdbe42c87a5eb878db3ab9b6179b4e131d6b60837f6107cc5bd619b7fa5476e46",
    "signature": "0x247a84bc3cf79d76694f4daca9184e00ee966b6d8bcbe2863158b669d27b0f031bf786af030cd58383d3570c5f57d5628d250089301339a6bf724cd5209a64511c",
    "signer": "0xd7D044f4C4FF0BcD9aF09075adb4140384dc0471",
    "userId": "20541985"
  }
}