{
  "manageEntity": {
    "action": "Update",
    "entityId": "830665049",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6964600ff591f2152d7f0c7f6c397134e174ad18ba7cabc9914e5d370291fb95",
    "signature": "0x931a91c4e71cfe91062eba3ec2662c1a65bf46ced2bfbd44284d52f76f1b516b58eb7ce0e44acf3b05ae999c93277c8379cf6179dddf8e7a7b655340b3efd1da1c",
    "signer": "0xCD3D5831A563347C1cd639b09f0c5C5c679Af2D5",
    "userId": "830665049"
  }
}