{
  "manageEntity": {
    "action": "Update",
    "entityId": "630030120",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x266f32e77fc98f4497f222376ad837b03b17a565736a66c8bf747c4ee9f60137",
    "signature": "0x6d8eb00a98e5b6b09c66e8f6e7d9886127701b86ed1f35c22cb7948dabc76d637d808b121dd092fa3487ca6c33ae1208f7c3e3fa0190aa2dca39485fb4ea9c731c",
    "signer": "0xdbA6d42feF3cf846342F2601ed7438391E677d43",
    "userId": "630030120"
  }
}