{
  "manageEntity": {
    "action": "Update",
    "entityId": "225208229",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3deb3addf461dab2ca13f7a5526d24ecdbb9f969649b3d9a06bfcc9df1aa4360",
    "signature": "0x6fab64c9dd9a855c3ac32c6f4f586fcefb540850b1d0e3255d8a1a210b3cb8532e391a83b73f616a550a46d74853c5edc1be0f00f384cb9b337ac0e9835e46531b",
    "signer": "0x1dd83C37911b724dd6767d8bf53608d44D963246",
    "userId": "225208229"
  }
}