{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8d700fb49dcb7c68a0e5d4f04e3a0fb0a4bbda234e9b5cea1dd98779589d8715",
    "signature": "0x2342a84f92c7b37cf331723856628cf782a848048cd97210ec3153453971dc723b077b26b9285e7ef5e4c0fe229d176bfae976171f0e8fb596a7b0b9d06be7b61b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}