{
  "manageEntity": {
    "action": "Update",
    "entityId": "402731668",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2ae6ab3c64a2cf7d83df457859c31cebf0c56b0b641f07ae85138d633db2cfa3",
    "signature": "0xc4607a4824e3acaf44c6c8869fee77c38961dc5919d4ab5f757aeef404ea641c26850e6513857017279705495fc0533b1a5b071345fe5faca7586bb8a4c6a0541b",
    "signer": "0x432904b1df5b9965A9B685B27300f2b74A6656A5",
    "userId": "402731668"
  }
}