{
  "manageEntity": {
    "action": "Update",
    "entityId": "218336246",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0ec8f97f4e70a9b1512c6825ae60b0b202e529b53488378bd0a078209ffdba75",
    "signature": "0xb233b58ad03f8c6cac4a0558d00040f9f09f72610bd40fe6b0db5fb979f19009687f73cf75924f821d469d63d4038e5b62dbe1e089ec63ea9ab30dc3f03b5e7d1b",
    "signer": "0x1Ee3946042387D5d41DFF1ba84E32C4330C5Ee1A",
    "userId": "218336246"
  }
}