{
  "manageEntity": {
    "action": "Update",
    "entityId": "716690198",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraoli5pe3ecbgksywhr2vxfuwkdbeavfvhunff2skp3e22y7c5g43a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":854674184},{\"type\":\"playlist\",\"playlist_id\":527925520},{\"type\":\"playlist\",\"playlist_id\":166785682}]}}}",
    "nonce": "0xabdd5f77958c61b8164fa9dd90267110929d8e7877234aca16ee32b930ae52bb",
    "signature": "0x8550731fe0286e1e9b1252c8e2928e8048730d26d91b6fc18655d36b8e925dd951b213357324479bf8edc24a66fad4040169831a0b1d15bfe241302ff25a5fef1b",
    "signer": "0xE430FF2E18239138E4D7348C86b9056B4BFA0925",
    "userId": "716690198"
  }
}