{
  "manageEntity": {
    "action": "Update",
    "entityId": "834540087",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6fd04f85b6e2a068114b6bd75a9fd8072278299312c61a192289a7c9aef1f76a",
    "signature": "0xe0b94568c454e17e0825faeb17a428dde3393c762c0d6a9625d286da07b578582e5725294d63ffe53348bd28fd8f43d0d6f9c4bf8df862b4edba0b40dd3d82ab1b",
    "signer": "0xF0CaA5581Af6ee80150b5aA4643d1069EC176dB6",
    "userId": "834540087"
  }
}