{
  "manageEntity": {
    "action": "Update",
    "entityId": "61246183",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x498f0947cf9ed01d4a9f5a52279a572055786e416b90df208d58b1d3ab4c2304",
    "signature": "0xf5b0f6599f8f5396d0a3c226b06f92413388f745550ecc200ae5add56b6710e24d2bfbd48cee5ab0a3bcd8f72a8589f72d2019845ab7c9904750d4d38a39e9c51b",
    "signer": "0x77588d912791aACbaCe2BCBa5145b55EF42c200f",
    "userId": "61246183"
  }
}