{
  "manageEntity": {
    "action": "Update",
    "entityId": "45279849",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x784bc70e34ede1858bfeb7a86a03ebefbc2cf4df11032d959e2ce443893f33f2",
    "signature": "0x9d4df99ab0fd144de9b2aee9210ad74f11ce254a374c2acdff043c312d60a938589488c23f86e7c0735c1482db180fef6952a511be20d0fc75539f09623495e11b",
    "signer": "0xEd1A3312c79013A815635ee126e216dC9d4D2214",
    "userId": "45279849"
  }
}