{
  "manageEntity": {
    "action": "Update",
    "entityId": "246125521",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xab2aa0c50f90f1a639b746bdded6413e6b86ad7b5d13bfcd4b80dc0b0189f57b",
    "signature": "0x094e58b7ed0121058671fe2e3dc7dc5daec4d061fbd4eae5c0a13e6edbf640790f8682ed78e5cea0311c8787eeae83300365531dfe1c3c89ecadc5f9158f9f7e1c",
    "signer": "0x9dc384F3A658d5014BB7edeb7439D726D7901fd8",
    "userId": "246125521"
  }
}