{
  "manageEntity": {
    "action": "Update",
    "entityId": "295803445",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd64133e174fb6fc425362497e71235d08a7e6488b0a6525234a71884f53d6dc8",
    "signature": "0x135cd7eb299b7aab591eb986105f7c67d4cf373a3d933375555f16ea44a9183163d084ad37c493578ec04ed540f60de78b0727d234af7801de54b9fe7618aebe1c",
    "signer": "0xA3a5D9709D8514b82b91927839eE75fD9458ef9e",
    "userId": "295803445"
  }
}