{
  "manageEntity": {
    "action": "Update",
    "entityId": "698081540",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7494f543c5e35cca31b1e54abfe27a521fe25a5d2e25416d7aa5e3c65dd2b401",
    "signature": "0xb3f7b438429ac1fc5d2e862e2b32736aac38d3331faeea906dd834c97d6ba3a37052fbc6ffa69f6f6844f3901628e98ba7b5b1dce39aa6429b0c30a3142f426e1c",
    "signer": "0x5943dE85B1bc8a6aE786D3f17b5465337908171D",
    "userId": "698081540"
  }
}